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Cheap flights from Washington, D.C. to Basel from $219

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Basel departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 6:45 pm
BWI
-
BSL
17h 05m2 stops
Multiple Airlines Logo
2:40 pm - 6:40 pm
BSL
-
BWI
34h 00m2 stops
$591Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
4:44 pm - 7:40 pm
BWI
-
BSL
20h 56m2 stops
Multiple Airlines Logo
9:50 am - 10:27 am
BSL
-
BWI
30h 37m3 stops
$610Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Turkish Airlines Logo
1:30 pm - 10:00 am
IAD
-
BSL
14h 30m1 stop
Turkish Airlines Logo
10:55 am - 7:20 pm
BSL
-
IAD
38h 25m1 stop
$629Turkish Airlines
Sun, Feb 8 - Tue, Feb 17
Turkish Airlines Logo
1:30 pm - 10:00 am
IAD
-
BSL
14h 30m1 stop
Turkish Airlines Logo
6:05 pm - 7:20 pm
BSL
-
IAD
31h 15m1 stop
$638Turkish Airlines
Wed, Jan 14 - Wed, Jan 21
Turkish Airlines Logo
1:30 pm - 10:00 am
IAD
-
BSL
14h 30m1 stop
Turkish Airlines Logo
10:55 am - 7:20 pm
BSL
-
IAD
38h 25m1 stop
$640Turkish Airlines
Mon, Feb 2 - Tue, Feb 10
British Airways Logo
8:35 pm - 2:55 pm
BWI
-
BSL
12h 20m1 stop
British Airways Logo
7:05 pm - 6:45 pm
BSL
-
BWI
29h 40m1 stop
$706British Airways
Wed, Feb 4 - Tue, Feb 10
Delta Logo
10:54 am - 9:50 am
BWI
-
BSL
16h 56m2 stops
Delta Logo
11:15 am - 5:46 pm
BSL
-
BWI
36h 31m2 stops
$715Delta
Wed, Feb 4 - Tue, Feb 10
British Airways Logo
8:35 pm - 2:55 pm
BWI
-
BSL
12h 20m1 stop
British Airways Logo
4:00 pm - 6:45 pm
BSL
-
BWI
32h 45m1 stop
$856British Airways
Wed, Feb 4 - Mon, Feb 9
United Airlines Logo
5:20 pm - 7:40 pm
BWI
-
BSL
20h 20m2 stops
United Airlines Logo
1:10 pm - 9:17 pm
BSL
-
BWI
38h 07m2 stops
$929United Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
7:00 pm - 12:30 pm
DCA
-
BSL
35h 30m2 stops
United Airlines Logo
1:10 pm - 11:59 pm
BSL
-
DCA
16h 49m2 stops
$1,025United Airlines
Sat, Jan 17 - Sun, Jan 25

British Airways flights from Washington, D.C. to Basel EuroAirport Swiss

Our best British Airways deals on Washington, D.C. to Basel EuroAirport Swiss flight tickets
British Airways
Feb 4
BWI8:35 pmBaltimore/Washington
12h 20m
1 stop
BSL2:55 pmBasel EuroAirport Swiss
Feb 10
BSL7:05 pmBasel EuroAirport Swiss
29h 40m
1 stop
BWI6:45 pmBaltimore/Washington
$706
Find similar
British Airways
Feb 4
BWI8:35 pmBaltimore/Washington
12h 20m
1 stop
BSL2:55 pmBasel EuroAirport Swiss
Feb 9
BSL4:00 pmBasel EuroAirport Swiss
32h 45m
1 stop
BWI6:45 pmBaltimore/Washington
$856
Find similar
British Airways
Feb 4
BWI8:35 pmBaltimore/Washington
12h 20m
1 stop
BSL2:55 pmBasel EuroAirport Swiss
Feb 8
BSL11:20 amBasel EuroAirport Swiss
13h 25m
1 stop
BWI6:45 pmBaltimore/Washington
$906
Find similar

United Airlines flights from Washington, D.C. to Basel EuroAirport Swiss

Our best United Airlines deals on Washington, D.C. to Basel EuroAirport Swiss flight tickets
United Airlines
Feb 4
IAD1:05 pmWashington, D.C. Dulles Intl
21h 00m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Feb 11
BSL9:50 amBasel EuroAirport Swiss
11h 45m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$708
Find similar
United Airlines
Feb 19
BWI5:20 pmBaltimore/Washington
20h 20m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Feb 23
BSL1:10 pmBasel EuroAirport Swiss
38h 07m
2 stops
BWI9:17 pmBaltimore/Washington
$929
Find similar
United Airlines
Jan 17
DCA7:00 pmWashington, D.C. Reagan-National
35h 30m
2 stops
BSL12:30 pmBasel EuroAirport Swiss
Jan 25
BSL1:10 pmBasel EuroAirport Swiss
16h 49m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$1,025
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Basel EuroAirport Swiss that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Basel EuroAirport Swiss that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Thu 1/29

7:40 pm-6:45 pm

2 stops17h 05m

Basel EuroAirport Swiss

Thu 2/5

2:40 pm-6:40 pm

2 stops34h 00m

$591

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Sat 1/31

4:44 pm-7:40 pm

2 stops20h 56m

Basel EuroAirport Swiss

Sat 2/7

9:50 am-10:27 am

3 stops30h 37m

$610

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Sun 2/8

1:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

Tue 2/17

10:55 am-7:20 pm

1 stop38h 25m

$629

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Wed 1/14

1:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

Wed 1/21

6:05 pm-7:20 pm

1 stop31h 15m

$638

Washington, D.C.Basel

IAD - BSL

IADBSL

Washington, D.C. Dulles Intl

Mon 2/2

1:30 pm-10:00 am

1 stop14h 30m

Basel EuroAirport Swiss

Tue 2/10

10:55 am-7:20 pm

1 stop38h 25m

$640

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Wed 2/4

8:35 pm-2:55 pm

1 stop12h 20m

Basel EuroAirport Swiss

Tue 2/10

7:05 pm-6:45 pm

1 stop29h 40m

$706

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Wed 2/4

10:54 am-9:50 am

2 stops16h 56m

Basel EuroAirport Swiss

Tue 2/10

11:15 am-5:46 pm

2 stops36h 31m

$715

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Wed 2/4

8:35 pm-2:55 pm

1 stop12h 20m

Basel EuroAirport Swiss

Mon 2/9

4:00 pm-6:45 pm

1 stop32h 45m

$856

BaltimoreBasel

BWI - BSL

BWIBSL

Baltimore/Washington

Thu 2/19

5:20 pm-7:40 pm

2 stops20h 20m

Basel EuroAirport Swiss

Mon 2/23

1:10 pm-9:17 pm

2 stops38h 07m

$929

Washington, D.C.Basel

DCA - BSL

DCABSL

Washington, D.C. Reagan-National

Sat 1/17

7:00 pm-12:30 pm

2 stops35h 30m

Basel EuroAirport Swiss

Sun 1/25

1:10 pm-11:59 pm

2 stops16h 49m

$1,025

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Basel from

How to get the cheapest flight ticket from Washington, D.C. to Basel EuroAirport Swiss

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Basel EuroAirport Swiss?

According to our data, Tuesday is the cheapest day to fly to Basel EuroAirport Swiss from Washington, D.C.. The lowest ticket price found for a Tuesday departure recently was $722. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. to Basel EuroAirport Swiss on a Friday will generally be more expensive and average around $1,162. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Basel EuroAirport Swiss?

According to our data, the cheapest time of day to fly to Basel EuroAirport Swiss is in the evening. momondo users have found flights departing from Washington, D.C. to Basel EuroAirport Swiss in the evening for as low as $722. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $1,046. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. to Basel EuroAirport Swiss

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Basel EuroAirport Swiss according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Basel EuroAirport Swiss (WAS to BSL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Basel EuroAirport Swiss

Fastest flight time

9h 55m

Direct flights

None
The fastest flight from Washington, D.C. to Basel EuroAirport Swiss takes 9h 55m
There are no direct flights from Washington, D.C. to Basel EuroAirport Swiss. There are no popular flight routes from Washington, D.C. to Basel EuroAirport Swiss.
Search flight deals

  • How far is Washington, D.C. to Basel EuroAirport Swiss by plane?

    The distance between Washington, D.C. and Basel EuroAirport Swiss is about 4081.1 mi. In terms of flight time, this usually takes a little over 9h 55m.

  • When did momondo last update prices for flights from Washington, D.C. to Basel EuroAirport Swiss?

    Prices for flights from Washington, D.C. to Basel EuroAirport Swiss are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Basel EuroAirport Swiss?

  • How old do you have to be to fly from Washington, D.C. to Basel EuroAirport Swiss?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Basel EuroAirport Swiss.

  • What documentation or ID do you need to fly to Basel EuroAirport Swiss?

    The travel and health documents you'll need for your trip to Basel EuroAirport Swiss may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Basel EuroAirport Swiss. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Basel EuroAirport Swiss

Compare and see reviews for airlines that fly from Washington, D.C. to Basel EuroAirport Swiss with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $530Free CancellationRating
7.3
4,105 reviews
Search Turkish Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Basel?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Basel. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Basel with flexible booking policies on momondo?

momondo does allow users to show only those flights to Basel from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Basel?

momondo helps you find the best flight between Washington, D.C. and Basel by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Basel right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Basel, momondo offers a useful price alert feature which will track prices for flights to Basel from Washington, D.C. and alert you when they change.

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